When astronomers first started taking ultraviolet images of Venus, they were somewhat baffled by a mysterious ‘Y’ shape that covered the entire planet. But now researchers say they have an answer - ...

Researchers in Austria are investigating the effects of the Earth's atmosphere on our planet's shape, its rotation and its gravitational field. The researchers' aim is to develop a better ...

Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...